Implement aria-modal

third_party/WebKit/Source/modules/accessibility/InspectorAccessibilityAgent.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/accessibility/InspectorAccessibilityAgent.h"
 
 #include "core/HTMLNames.h"
 #include "core/dom/AXObjectCache.h"
 #include "core/dom/DOMNodeIds.h"
 #include "core/dom/Element.h"
@@ skipping 97 matching lines @@
     default:
       // TODO(aboxhall): expose invalid: <nothing> and source: aria-invalid as
       // invalid value
       properties.addItem(createProperty(
           AXGlobalStatesEnum::Invalid,
           createValue(axObject.ariaInvalidValue(), AXValueTypeEnum::String)));
       break;
   }
 }
 
+bool roleAllowsModal(AccessibilityRole role) {
+  return role == DialogRole || role == AlertDialogRole;
+}
+
 bool roleAllowsMultiselectable(AccessibilityRole role) {
   return role == GridRole || role == ListBoxRole || role == TabListRole ||
          role == TreeGridRole || role == TreeRole;
 }
 
 bool roleAllowsOrientation(AccessibilityRole role) {
   return role == ScrollBarRole || role == SplitterRole || role == SliderRole;
 }
 
 bool roleAllowsReadonly(AccessibilityRole role) {
@@ skipping 171 matching lines @@
             createProperty(AXWidgetStatesEnum::Pressed,
                            createValue("true", AXValueTypeEnum::Tristate)));
     }
   }
 
   if (roleAllowsSelected(role)) {
     properties.addItem(
         createProperty(AXWidgetStatesEnum::Selected,
                        createBooleanValue(axObject.isSelected())));
   }
+
+  if (roleAllowsModal(role)) {
+    properties.addItem(createProperty(AXWidgetStatesEnum::Modal,
+                                      createBooleanValue(axObject.isModal())));
+  }
 }
 
 std::unique_ptr<AXProperty> createRelatedNodeListProperty(
     const String& key,
     AXRelatedObjectVector& nodes) {
   std::unique_ptr<AXValue> nodeListValue =
       createRelatedNodeListValue(nodes, AXValueTypeEnum::NodeList);
   return createProperty(key, std::move(nodeListValue));
 }
 
@@ skipping 414 matching lines @@
   }
 }
 
 DEFINE_TRACE(InspectorAccessibilityAgent) {
   visitor->trace(m_page);
   visitor->trace(m_domAgent);
   InspectorBaseAgent::trace(visitor);
 }
 
 }  // namespace blink